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I write them as KWOIF and KWOIFL - because no one ever says equivocal or equivocally. If they do, I add the *.
I use exactly what LeAnne suggested.
NIFL and N*IFL
KWIFL and KW*IFL for equivocal, ly
Brief Encounters says NIVL - unequivocal
NO*IVL - unequivocally
I like Keith's or Paul's better